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worker: also return DummyDevice from ExamineDeviceMgr

This commit is contained in:
Robert Jördens 2016-07-09 16:53:28 +02:00
parent 7a2405146a
commit cfb9fb808c
2 changed files with 8 additions and 4 deletions
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8
artiq/language/environment.py
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@ -213,8 +213,12 @@ class HasEnvironment:
Other initialization steps such as requesting devices may also be
performed here.
When the repository is scanned, any requested devices and arguments
are set to ``None``.
There are two situations where the requested devices are replaced by
``DummyDevice()`` and arguments are set to their defaults (or ``None``)
instead: when the repository is scanned to build the list of
available experiments and when the dataset browser ``artiq_browser``
is used to open or run the analysis stage of an experiment. Do not
rely on being able to operate on devices or arguments in ``build()``.
Datasets are read-only in this method.

4
artiq/master/worker_impl.py
View File

@ -11,7 +11,7 @@ import artiq
from artiq.protocols import pipe_ipc, pyon
from artiq.protocols.packed_exceptions import raise_packed_exc
from artiq.tools import multiline_log_config, file_import
from artiq.master.worker_db import DeviceManager, DatasetManager
from artiq.master.worker_db import DeviceManager, DatasetManager, DummyDevice
from artiq.language.environment import (is_experiment, TraceArgumentManager,
ProcessArgumentManager)
from artiq.language.core import set_watchdog_factory, TerminationRequested
@ -124,7 +124,7 @@ class ExamineDeviceMgr:
get_device_db = make_parent_action("get_device_db")
def get(name):
return None
return DummyDevice()
def examine(device_mgr, dataset_mgr, file):